ceph/src/boost/libs/metaparse/include/boost/metaparse/v1/error/unpaired.hpp

   1 #ifndef BOOST_METAPARSE_V1_ERROR_UNPAIRED_HPP
   2 #define BOOST_METAPARSE_V1_ERROR_UNPAIRED_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2015.
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/mpl/vector.hpp>
  10
  11 #include <iostream>
  12 #include <string>
  13 #include <sstream>
  14
  15 namespace boost
  16 {
  17   namespace metaparse
  18   {
  19     namespace v1
  20     {
  21       namespace error
  22       {
  23         template <int Line, int Col, class Msg = boost::mpl::na>
  24         struct unpaired
  25         {
  26           typedef unpaired type;
  27
  28           static std::string get_value()
  29           {
  30             std::ostringstream s;
  31             s << Msg::get_value() << " (see " << Line << ":" << Col << ")";
  32             return s.str();
  33           }
  34         };
  35
  36         template <int Line, int Col>
  37         struct unpaired<Line, Col, boost::mpl::na>
  38         {
  39           typedef unpaired type;
  40
  41           template <class Msg = boost::mpl::na>
  42           struct apply : unpaired<Line, Col, Msg> {};
  43         };
  44       }
  45     }
  46   }
  47 }
  48
  49 #endif
  50